Line tension at the wetting transition

B. Widom and A.S. Clarke

Physica A: Statistical Mechanics and its Applications, 1990, vol. 168, issue 1, 149-159

Abstract: We ask whether the tension of the line in which three phases meet vanishes at the wetting transition. We answer affirmatively for a simple phenomenological model in which we find that the line tension vanishes proportionally to the contact angle that closes down to 0 at the transition. We show the connection between such line tension and two-dimensional boundary tension at a pre-wetting transition. It is plausible that if the former vanishes at wetting, then so does the latter in the limit where pre-wetting becomes bulk wetting.

Date: 1990
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:168:y:1990:i:1:p:149-159

DOI: 10.1016/0378-4371(90)90366-Z

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